Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680144 | Benzene sulfonate quaternary ammonium salts of organic sunscreen carboxylic acids | — | 1987-07-14 |
| 4613499 | Substituted cinnamal dialkyl malonates in sunscreening, skin care compositions | — | 1986-09-23 |
| 4515774 | Liquid, cinnamal dialkyl malonates as sole organic sunscreens | Kenneth S. Klein | 1985-05-07 |
| 4457911 | Dialkyl malonates as organic sunscreen adjuvants | Boris M. Cumpelik | 1984-07-03 |
| 4342706 | Benzene sulfonate quaternary ammonium salts | Arnold W. Fogel | 1982-08-03 |
| 4333920 | Benzalphthalides and broad spectrum sun screens | — | 1982-06-08 |